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Intel Xeon E5-2643 v3 vs AMD Opteron 6238

The Intel Xeon E5-2643 v3 @ 3.40GHz is newer than AMD Opteron 6238 and is significantly faster in multi-threaded (CPU Mark) testing. It is also significantly faster in single-thread testing. Also, Intel Xeon E5-2643 v3 @ 3.40GHz uses around 16% more power. All the CPUs in this comparison belong in the Server CPU Class. The values below were tabulated from a combined 55 benchmarks submitted from our PerformanceTest software and results and are updated daily to include new submissions.

  • The first section will show basic information for each CPU selected.
  • The additional graphs shows the CPU Mark and Single Thread values of each CPU selected.
  • An accompany graph, if price data is available, will shows the value for money, in terms of the CPU Mark/Thread Rating per dollar.
  • The last section will show approximate yearly running costs for the CPUs.

×Intel Xeon E5-2643 v3 @ 3.40GHz×AMD Opteron 6238+ ADD
Price $229.95 - BUY Search Online
Socket TypeLGA2011-v3Socket G34
CPU ClassServerServer
Clockspeed3.4 GHz2.6 GHz
Turbo SpeedUp to 3.7 GHzUp to 3.2 GHz
# of Physical Cores6 (Threads: 12)12 (in 6 physical modules)
CacheL1: 384KB, L2: 1.5MB, L3: 20MBL1: 960KB, L2: 24.0MB, L3: 12MB
TDP135W115W
Yearly Running Cost$24.64$20.99
Other
First Seen on ChartQ1 2015Q4 2014
# of Samples532
CPU Value45.412.8
Single Thread Rating(% diff. to max in group)2070(0.0%)1157(-44.1%)
CPU Mark(% diff. to max in group)10429(0.0%)5625(-46.1%)
1 - Last seen price from our affiliates NewEgg.com & Amazon.com.

CPU Mark Rating
As of 13th of May 2025 - Higher results represent better performance
Intel Xeon E5-2643 v3 @ 3.40GHz
10,429
AMD Opteron 6238
5,625
PassMark Software © 2008-2025
CPU Value (CPU Mark / $Price)
As of 13th of May 2025 - Higher results represent better value
Intel Xeon E5-2643 v3 @ 3.40GHz
45.4
AMD Opteron 6238
12.8
PassMark Software © 2008-2025
CPU Single Thread Rating
As of 13th of May 2025 - Higher results represent better performance
Intel Xeon E5-2643 v3 @ 3.40GHz
2,070
AMD Opteron 6238
1,157
PassMark Software © 2008-2025
Estimated Energy Usage Cost
Estimated Energy Adjustable Values
Average hours of use per day Average CPU Utilization (0-100%)1 Power cost, $ per kWh2
8
25
1Average user usage is typically low and can vary from task to task. An estimate load 25% is nominal.
2Typical power costs vary around the world. Check your last power bill for details. Values of $0.15 to $0.45 per kWh are typical.
Intel Xeon E5-2643 v3 @ 3.40GHz AMD Opteron 6238
Max TDP135W115W
Power consumption per day (kWh)NANA
Running cost per dayNANA
Power consumption per year (kWh)NANA
Running cost per yearNANA
Shown CPU power usage is based on linear interpolation of Max TDP (i.e. max load). Actual CPU power profile may vary.